X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fmarginwidget.hpp;h=54ace028fcda121bd79588c20a1b32d6af159c67;hb=2f7982367e8382e05c862de7afc71075ded5f606;hp=77a10a22f5a1240a19d418cb8e297a07492811ad;hpb=6a2cc8dd37f6d128ad7e16b9a7a78bb44d5a5aa5;p=pulseview.git

diff --git a/pv/view/marginwidget.hpp b/pv/view/marginwidget.hpp
index 77a10a2..54ace02 100644
--- a/pv/view/marginwidget.hpp
+++ b/pv/view/marginwidget.hpp
@@ -67,19 +67,41 @@ protected:
 	 */
 	void show_popup(const std::shared_ptr<ViewItem> &item);
 
+	/**
+	 * Returns true if the selection of row items allows dragging.
+	 * @return Returns true if the drag is acceptable.
+	 */
+	virtual bool accept_drag() const = 0;
+
+	/**
+	 * Drag the dragging items by the delta offset.
+	 * @param delta the drag offset in pixels.
+	 */
+	virtual void drag_items(const QPoint &delta) = 0;
+
 	/**
 	 * Handles left mouse button press events.
 	 * @param event the mouse event that triggered this handler.
 	 */
 	void mouse_left_press_event(QMouseEvent *event);
 
-private:
+	/**
+	 * Handles left mouse button release events.
+	 * @param event the mouse event that triggered this handler.
+	 */
+	void mouse_left_release_event(QMouseEvent *event);
+
+protected:
 	void mousePressEvent(QMouseEvent * event);
+	void mouseReleaseEvent(QMouseEvent *event);
+	void mouseMoveEvent(QMouseEvent *event);
 
 	void leaveEvent(QEvent *event);
 
 	virtual void contextMenuEvent(QContextMenuEvent *event);
 
+	virtual void keyPressEvent(QKeyEvent *e);
+
 public Q_SLOTS:
 	void clear_selection();